| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.accessibilityservice.cts; |
| |
| import android.accessibilityservice.AccessibilityServiceInfo; |
| import android.app.Activity; |
| import android.app.UiAutomation; |
| import android.test.ActivityInstrumentationTestCase2; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.view.accessibility.AccessibilityNodeInfo; |
| import android.view.accessibility.AccessibilityWindowInfo; |
| |
| import java.util.List; |
| import java.util.concurrent.TimeoutException; |
| |
| /** |
| * Base text case for testing accessibility APIs by instrumenting an Activity. |
| */ |
| public abstract class AccessibilityActivityTestCase<T extends Activity> |
| extends ActivityInstrumentationTestCase2<T> { |
| /** |
| * Timeout required for pending Binder calls or event processing to |
| * complete. |
| */ |
| public static final long TIMEOUT_ASYNC_PROCESSING = 5000; |
| |
| /** |
| * The timeout since the last accessibility event to consider the device idle. |
| */ |
| public static final long TIMEOUT_ACCESSIBILITY_STATE_IDLE = 500; |
| |
| /** |
| * @param activityClass |
| */ |
| public AccessibilityActivityTestCase(Class<T> activityClass) { |
| super(activityClass); |
| } |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| |
| AccessibilityServiceInfo info = getInstrumentation().getUiAutomation().getServiceInfo(); |
| info.flags |= AccessibilityServiceInfo.FLAG_REQUEST_TOUCH_EXPLORATION_MODE; |
| info.flags |= AccessibilityServiceInfo.FLAG_RETRIEVE_INTERACTIVE_WINDOWS; |
| info.flags &= ~AccessibilityServiceInfo.FLAG_INCLUDE_NOT_IMPORTANT_VIEWS; |
| getInstrumentation().getUiAutomation().setServiceInfo(info); |
| |
| startActivityAndWaitForFirstEvent(); |
| |
| waitForIdle(); |
| } |
| |
| /** |
| * Waits for the UI do be idle. |
| * |
| * @throws TimeoutException if idle cannot be detected. |
| */ |
| public void waitForIdle() throws TimeoutException { |
| getInstrumentation().getUiAutomation().waitForIdle( |
| TIMEOUT_ACCESSIBILITY_STATE_IDLE, |
| TIMEOUT_ASYNC_PROCESSING); |
| } |
| |
| /** |
| * @return The string for a given <code>resId</code>. |
| */ |
| public String getString(int resId) { |
| return getInstrumentation().getContext().getString(resId); |
| } |
| |
| /** |
| * Starts the activity under tests and waits for the first accessibility |
| * event from that activity. |
| */ |
| private void startActivityAndWaitForFirstEvent() throws Exception { |
| AccessibilityEvent awaitedEvent = |
| getInstrumentation().getUiAutomation().executeAndWaitForEvent( |
| new Runnable() { |
| @Override |
| public void run() { |
| getActivity(); |
| getInstrumentation().waitForIdleSync(); |
| } |
| }, |
| new UiAutomation.AccessibilityEventFilter() { |
| @Override |
| public boolean accept(AccessibilityEvent event) { |
| List<AccessibilityWindowInfo> windows = getInstrumentation().getUiAutomation() |
| .getWindows(); |
| // Wait for a window state changed event with our window showing |
| for (int i = 0; i < windows.size(); i++) { |
| AccessibilityNodeInfo root = windows.get(i).getRoot(); |
| if ((root != null) && |
| root.getPackageName().equals(getActivity().getPackageName())) { |
| return (event.getEventType() |
| == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); |
| } |
| } |
| return false; |
| } |
| }, |
| TIMEOUT_ASYNC_PROCESSING); |
| assertNotNull(awaitedEvent); |
| } |
| } |